Round-headed leek

Allium sphaerocephalon

Round-headed leek - Allium sphaerocephalon

Common Name: Round-headed leek
Genus: Allium
Species: sphaerocephalon

Category: Bulbs, Corms, Tubers & Rhizomatous Plants

Height: 0.60 m (60 cm)
Spread: 0.08 m (8 cm)


  • Position: full sun
  • Soil: fertile well-drained soil
  • Rate of growth: average
  • Flowering period: July to August
  • Hardiness: fully hardy

    Small egg-shaped claret-coloured flowerheads appear like drumsticks on tall slender stems above strap-like mid-green leaves in mid- to late summer. Planted en masse in a border in full sun these diminutive claret flowers look great  emerging from a screen of foliage or against a backdrop of ornamental grasses. They gently fade as summer comes to a close.

  • Garden care: Split and divide large clumps in autumn or spring.


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